window.onload = choosePic;

var adImages = new Array("slideshow/Discover/01.jpg","slideshow/Discover/02.jpg","slideshow/Discover/03.jpg", "slideshow/Discover/04.jpg","slideshow/Discover/05.jpg","slideshow/Discover/06.jpg","slideshow/Discover/07.jpg","slideshow/Discover/08.jpg", "slideshow/Discover/09.jpg","slideshow/Discover/10.jpg","slideshow/Discover/11.jpg","slideshow/Discover/12.jpg","slideshow/Discover/13.jpg", "slideshow/Discover/14.jpg","slideshow/Discover/15.jpg","slideshow/Discover/16.jpg","slideshow/Discover/17.jpg","slideshow/Discover/18.jpg","slideshow/Discover/19.jpg");

function rotate() {
	thisAd++;
	if (thisAd == adImages.length) {
		thisAd = 0;
	}
	document.getElementById("adBanner").src = adImages[thisAd];

	setTimeout("rotate()", 3 * 1000);
}


function choosePic() {
	thisAd = Math.floor((Math.random() * adImages.length));
	document.getElementById("adBanner").src = adImages[thisAd];
	
	rotate();
}